Can You Take Collagen With an Autoimmune Condition or EDS?

No trial has tested any collagen supplement in Ehlers-Danlos syndromes (EDS), hypermobility or lupus (PubMed searches, 13 October 2026). The rheumatoid arthritis trials were immune experiments feeding 1,598 adults tiny amounts of type II collagen, not collagen peptides.¹ In osteoarthritis, across 35 trials of 3,165 people, collagen caused no more side effects than control.² No interaction with methotrexate, hydroxychloroquine, sulfasalazine or adalimumab is documented in PubMed or the BNF.³ Your rheumatology team, GP or pharmacist can advise, and a supplement is never a reason to stop a prescribed medicine: in one trial, disease activity worsened in people switched from methotrexate to collagen.⁴ This page sits beneath the Wellgard collagen guide.

Evidence at a glance

• Trials: none in EDS, hypermobility or lupus; 10 controlled trials of type II collagen in 1,598 adults with rheumatoid arthritis, 1993 to 2009; one of type I collagen in 168 adults with scleroderma.^{1, 5}
• Largest single trial: 503 adults with rheumatoid arthritis, 0.1 mg a day of chicken type II collagen against methotrexate for 24 weeks, supplier-funded.⁶
• Strongest measured outcome: across 35 osteoarthritis trials of 3,165 people, no more side effects or withdrawals with collagen than with control.²
• Not tested: any collagen in EDS, hypermobility or lupus, or collagen peptides in any autoimmune condition.¹

Sources checked on 13 October 2026.

Should people with EDS take collagen?

No trial has tested it; the EDS trials on PubMed test exercise, physiotherapy, compression garments and medicines.¹ The NHS says there is "no specific treatment for EDS" and that "a physiotherapist can teach you exercises to help strengthen your joints, avoid injuries and manage pain".⁷ Collagen peptides are digested like other protein, peaking in the blood one to two hours after a dose.⁸ With no trial either way, it is a food choice to discuss with your team. The NHS route is to "See a GP", who may refer you to "a joint specialist (rheumatologist)" or "your local genetics service".⁷

Do people with EDS have less collagen, and which collagen does it affect?

EDS is a fault in the instructions for building connective tissue, not a shortage of building blocks: "The different types of EDS are caused by faults in certain genes that make connective tissue weaker" (NHS).⁷ In classical EDS, variants in the type V collagen genes are found in about half of patients.⁹ Vascular EDS is caused by variants in the type III collagen gene.¹⁰ For hypermobile EDS, the most common type, "there are no tests to confirm whether someone has hEDS".⁷ Collagen you eat is digested into amino acids and short peptides; it does not change those genes.

Can you take collagen with lupus or another autoimmune condition?

No trial has tested collagen supplements in lupus.¹ The NHS says "Lupus is an autoimmune condition" and lists "Immunosuppressant or biological medicines" among its treatments.¹¹ The tolerability record above comes from 35 osteoarthritis trials, not from autoimmune conditions.² No collagen type or source has been compared in any autoimmune condition, so none can be called best. Hashimoto's is covered in collagen with thyroid medication, lupus affecting the kidneys in collagen and your kidneys, and type 1 diabetes, also autoimmune, in collagen with diabetes or metformin.

Can collagen supplements cause scleroderma or make an autoimmune condition worse?

The excess collagen in scleroderma is the body's own. The NHS says it's thought to occur because "part of the immune system has become overactive and out of control. This leads to cells in the connective tissue producing too much collagen".¹² In the one placebo-controlled trial of collagen by mouth in scleroderma, an immune-therapy experiment, 168 adults took 500 micrograms a day of unprocessed type I collagen or placebo for 12 months; skin thickness did not differ from placebo overall, though people with late-phase disease improved more on collagen in an exploratory analysis.⁵

The worry that collagen triggers autoimmunity comes from cosmetic collagen injected into the skin. One study of about 345,000 people given bovine collagen implants found more cases of an autoimmune muscle disease than expected;¹³ a later analysis counted 7 confirmed cases against about 30 expected.¹⁴ None of this involved collagen eaten or drunk.

Does collagen help rheumatoid arthritis?

Collagen peptides have not been trialled in rheumatoid arthritis, which the NHS calls "an autoimmune disease".¹⁵ In the 1990s and 2000s, researchers fed people tiny amounts of type II collagen, the kind in cartilage, mostly unprocessed, to try to calm the immune attack on their joints; the results were mixed and it did not become a treatment.¹ In the largest trial, 503 adults, 41.6% improved on collagen against 57.9% on methotrexate, with fewer, milder side effects on collagen, in a supplier-funded trial.⁶ In a 1998 Swiss trial, 92 adults whose rheumatoid arthritis was controlled by methotrexate were switched to oral type II collagen or kept on methotrexate; disease activity worsened significantly in those switched.⁴ Keep taking the medicines your rheumatology team prescribes. One Italian trial of 60 adults raised the possibility that oral type II collagen triggered flares in some patients.¹⁶ Osteoarthritis, a different condition, has its own trials: the best collagen for joints.

What should you ask your rheumatology team or pharmacist?

No interaction between collagen and methotrexate, hydroxychloroquine, sulfasalazine or adalimumab is documented: PubMed holds no report, and the BNF interaction pages for all four, checked on 13 October 2026, do not mention collagen.³ The NHS methotrexate page says "Check the ingredients on the labels of any supplements", because of folic acid, and to tell your doctor or pharmacist about "vitamins or supplements".¹⁹ Take the full label, since blends may add vitamins, minerals or glucosamine, and say how much you take.

What we don't know

• No trial has given a collagen supplement to people with EDS, hypermobility or lupus.
• No trial has tested collagen peptides in any autoimmune condition.
• No study has tracked flares in people with an autoimmune condition taking collagen peptides.
• No study has tested whether immune-calming medicines change how collagen peptides are handled.

Frequently asked questions

Is collagen good for hypermobility?

No trial has tested it.¹ The NHS says "The weakness is because the collagen that strengthens the ligaments is different from other people's" and "The main treatment is improving muscle strength and fitness so your joints are better protected".²⁰

What is the best collagen for EDS?

None has been compared in EDS, so none can be ranked.¹ The label checks are the same as for anyone: how to choose a collagen supplement.

Can collagen be inflammatory?

In laboratory animals, arthritis is triggered by injecting type II collagen: an experiment on the immune system, not a model of eating collagen.²¹

Can I take collagen with methotrexate or a biologic?

None is documented with methotrexate or the biologic adalimumab; tell your rheumatology team or pharmacist and check blends for folic acid.^{3, 19} Collagen's downsides covers other medicines.

Is undenatured type II collagen 'immune' collagen?

It shares the proposed route of the rheumatoid arthritis experiments, oral tolerance in the gut,¹⁷ but the 40 mg a day ingredient was trialled in osteoarthritis, not an autoimmune condition: see what type 2 collagen is.

Sources

1. PubMed searches, 13 October 2026: no collagen supplement trial in EDS, hypermobility or lupus. The ten controlled rheumatoid arthritis trials of oral type II collagen, 1,598 adults: PubMed 8378772, 8546737, 9105164, 9485087, 9825751, 10366113, 11072596, 11592359, 18576295, 19951408.
2. Liang CW, et al. Osteoarthritis and Cartilage, 2024. Pooled analysis, osteoarthritis, 35 randomised trials, 3,165 people; funding not checked. PubMed 38218227.
3. NICE. BNF interaction pages for methotrexate, hydroxychloroquine, sulfasalazine and adalimumab, 13 October 2026, none mentioning collagen; PubMed search, same day, no report. bnf.nice.org.uk.
4. Häuselmann HJ, et al. British Journal of Rheumatology, 1998. Randomised trial, collagen replacing methotrexate, 92 adults, 3 months; funding not checked. PubMed 9825751.
5. Postlethwaite AE, et al. Arthritis and Rheumatism, 2008. Randomised trial, scleroderma, 168 adults, 12 months; NIH grants (PubMed record). PubMed 18512816.
6. Wei W, et al. Arthritis Research and Therapy, 2009. Randomised trial, collagen against methotrexate, 503 adults, 24 weeks; supplier-funded (the collagen supplier and a pharmaceutical company). PubMed 19951408.
7. NHS. Ehlers-Danlos syndromes. Page last reviewed 4 October 2022 (review overdue). nhs.uk.
8. Iwai K, et al. Journal of Agricultural and Food Chemistry, 2005. Absorption study, healthy volunteers. PubMed 16076145.
9. Symoens S, et al. Human Mutation, 2009. Genetic study, classical EDS. PubMed 18972565.
10. Lian T, et al. Annals of Vascular Surgery, 2026. Review of vascular EDS. PubMed 41905459.
11. NHS. Lupus. Page last reviewed 19 July 2023 (review overdue). nhs.uk.
12. NHS. Scleroderma. Page last reviewed 24 March 2023 (review overdue). nhs.uk.
13. Cukier J, et al. Annals of Internal Medicine, 1993. Historical cohort, injected collagen, about 345,000 people; cases partly from manufacturer reports. PubMed 8141865.
14. Hanke CW, et al. Journal of the American Academy of Dermatology, 1996. Records review, injected collagen, 2,622 patients; funding not stated in the abstract. PubMed 8609258.
15. NHS. Rheumatoid arthritis. Page last reviewed 8 March 2023 (review overdue). nhs.uk.
16. Cazzola M, et al. Clinical and Experimental Rheumatology, 2000. Randomised trial, rheumatoid arthritis, 60 adults, 6 months; funding not checked. PubMed 11072596.
17. Trentham DE, et al. Science, 1993. Randomised trial, rheumatoid arthritis, 60 adults, 3 months; NIH grants listed on PubMed, full-text funding not checked. PubMed 8378772.
18. Barnett ML, et al. Arthritis and Rheumatism, 1998. Randomised trial, rheumatoid arthritis, 274 adults, 24 weeks; NIH grants listed on PubMed, full-text funding not checked. PubMed 9485087.
19. NHS. Taking methotrexate with other medicines and herbal supplements. Page last reviewed 14 March 2023 (review overdue). nhs.uk.
20. NHS. Joint hypermobility syndrome. Page last reviewed 30 August 2023 (review overdue). nhs.uk.
21. Elango J, et al. Bioengineering, 2022. Narrative review; government science grants. PubMed 35877372.

Spotted something out of date? Email support@wellgard.co.uk with the page address and the sentence.